package demo5;

import org.springframework.context.annotation.AnnotationConfigApplicationContext;

public class demo {
    public static void main(String[] args) throws Exception{
        User user = new User();
        user.sayHello();


        Class cls = Class.forName("demo5.User");
        User user1 = (User) cls.newInstance();
        user1.sayHello();


        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext("demo5");
        User user2 = context.getBean(User.class);
        user2.sayHello();
    }
}
